diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 2e1750e2ab31..20d30c9ae573 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -722,7 +722,7 @@ int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd)
 	if (!mcbsp->st_data)
 		return -ENODEV;
 
-	switch (cpu_dai->id) {
+	switch (mcbsp->id) {
 	case 2: /* McBSP 2 */
 		return snd_soc_add_dai_controls(cpu_dai,
 					omap_mcbsp2_st_controls,